Inside Macintosh: Cyberdog Programmer's Kit / Part 2 - Programming in Cyberdog

Chapter 3 - Adding Cyberdog Features to an OpenDoc Part

This chapter describes the steps required to create and use a Cyberdog item, Cyberdog menus, and the Cyberdog preferences dialog box in any OpenDoc part. This chapter shows you how to

• initialize and release Cyberdog objects
• create a Cyberdog item from URL text
• read a Cyberdog item from a storage unit
• write a Cyberdog item to a storage unit
• open a Cyberdog item
• handle drag and drop of a Cyberdog item
• set up Cyberdog menus
• implement the Cyberdog preferences menu item

The examples shown in this chapter are based on the CybTxtBtn sample code on the Cyberdog Programmer's Kit CD.

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Chapter Contents

About the Sample Cyberdog Button

Modifying Your Part's Class Definition

Initializing and Releasing Cyberdog Objects

Manipulating a Cyberdog Item

Creating a Cyberdog Item From a URL

Reading and Writing Cyberdog Items

Opening a Cyberdog Item

Supporting Drag and Drop of Cyberdog Items

Displaying Cyberdog Menus

Implementing the Cyberdog Preferences Command